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JPL Small-Body Database Browser
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27605 (2001 HN9)
Classification: Main-belt Asteroid          SPK-ID: 2027605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08345915732750572 3.8143e-08  
a 2.986865337960909 2.0203e-08 au
q 2.737584073803956 1.1268e-07 au
i 11.88808199768867 4.959e-06 deg
node 68.93714599815655 2.3071e-05 deg
peri 223.591428721152 4.4804e-05 deg
M 193.0460673299127 4.1408e-05 deg
tp 2459874.911869260641
(2022-Oct-22.41186926)
0.00021941 TDB
period 1885.479832067655
5.16
1.913e-05
5.238e-08
d
yr
n .1909328298702706 1.9372e-09 deg/d
Q 3.236146602117862 2.1889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1344  
   data-arc span      8630 days (23.63 yr)  
   first obs. used      1996-06-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:07:04  

Additional Information
 Earth MOID = 1.73478 au 
 Jupiter MOID = 1.90007 au 
 T_jup = 3.220 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO412382  
diameter diameter 6.218 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.240   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27605 (2001 HN9)          Discovered 2001-Apr-16 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-Jan-02 02:22 00:03 Jupiter 1.88859325370957 1.88859279828563 1.88859370913372 3.96916744321957 3.8545171464945 2417212.598286245 3.08195891362361 147.485283750041 18.9794909021708 -87.239189943811 3003773.60445877 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 01:07:22 2020-Feb-23 01:07
1942-Jul-18 01:42 00:02 Jupiter 1.96699676862223 1.96699591180188 1.9669976254465 3.68200943243313 3.56313895150464 2430558.570691728 2.10813979992341 160.006594209789 12.3726263365682 -74.7062098818067 3272189.47760928 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 01:07:22 2020-Feb-23 01:07
1988-Feb-05 21:32 < 00:01 Jupiter 1.98594877039997 1.98594818113727 1.98594935966336 4.10923327463231 4.00409573204711 2447197.397151214 0.790924519673296 128.897571298042 22.8547242524057 -83.5788057064777 2851291.25113419 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 01:07:22 2020-Feb-23 01:07
2024-Aug-23 00:32 < 00:01 Jupiter 1.8921558966546 1.8921554375968 1.89215635571272 3.98517876278295 3.87122085442374 2460545.522082559 0.342593676700863 89.2058335074591 16.864579275712 -82.4097775028061 3021411.31256084 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 01:07:22 2020-Feb-23 01:07
2061-Mar-08 05:13 00:01 Jupiter 1.97087498492126 1.97087442424535 1.97087554559862 3.63616852758275 3.51598947577291 2473891.717298585 1.3959940103839 110.534566591404 12.4096806358552 -76.8792222638895 3218539.67360744 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 01:07:22 2020-Feb-23 01:07
2106-Sep-28 21:21 00:03 Jupiter 1.99017288254035 1.99017185600364 1.99017390908249 4.18806753436566 4.08518111116627 2490531.389252545 2.70361765299767 209.722188232612 26.2425885053466 -78.3987956824297 2790807.21653492 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 01:07:22 2020-Feb-23 01:07
2143-Apr-14 23:46 00:04 Jupiter 1.89664183462894 1.89664137009315 1.89664229916473 3.99856724379335 3.88527459734079 2503878.490552383 3.68958737367373 171.613855345274 19.5217662422931 -87.7914574853748 2975679.25205378 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 01:07:22 2020-Feb-23 01:07
2179-Oct-30 06:37 00:05 Jupiter 1.97708122297631 1.97707971936142 1.9770827266103 3.58766842453563 3.46619724340252 2517225.775514501 4.89979063432026 329.499281318222 12.4174720716248 -75.5059488345796 3171066.69912278 T 26 CATAB v2.0f-lin.ifort 2020-Feb-23 01:07:22 2020-Feb-23 01:07

Alternate Designations
 2001 HN9 = 1998 XG68 = 2000 EG116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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